Cable Drive 14 September 2019, 19:35 Sorry, your browser doesn't support embedded videos, but don't worry, you can download it and watch it with your favorite video player! W: weight of the load P: pulling force for moving up the load. Mechanical advantage: 8 « previous mechanism V-Conveyor Transmission next mechanism » Nut-Screw and Bar Mechanisms load comments Please enable JavaScript to view the comments.